Using an ohmmeter, measure the resistance between the terminals.Standard resistance
| Tester Connection |
Condition |
Specified Condition |
| 1 (HA1A) - 2 (+B) |
20 °C (68 °F) |
1.8 to 3.4 Ω |
| 1 (HA1A) - 4 (A1A-) |
Always |
10 kΩ or higher |
If the resistance is not as specified, replace the air fuel ratio sensor.